RFR(S) 8193009: compiler/c2/Test7029152.java crashes with SIGILL in java.lang.StringLatin1.indexOf with -XX:+UseJVMCICompiler

[dean.long at oracle.com]

On 12/6/17 5:39 PM, Vladimir Kozlov wrote:

> Should we put new check code under #ifdef INCLUDE_JVMCI and if 
> (UseJVMCICompiler)? Stubs code generation happens after flags parsing.
>

We could, but I don't think it's worth it.  I would rather allow C1 and 
C2 to emit the same range of encodings as Graal.  I think it would help 
avoid spills.

dl

> Thanks,
> Vladimir
>
> On 12/5/17 2:12 PM, dean.long at oracle.com wrote:
>> https://bugs.openjdk.java.net/browse/JDK-8193009
>> http://cr.openjdk.java.net/~dlong/8193009/webrev/
>>
>> I tested all 16 base register combinations to make sure we handle 
>> anything Graal might generate.
>>
>> dl